Hitachi, Japan

Hirotsugu Kawanaka

This inventor holds 9 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignees: Hitachi, Ltd., Hitachi Plant Technologies, Ltd., The Japan Steel Works, Ltd.. Active years: 2008-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirotsugu Kawanaka. Retrieved from https://idiyas.com/inventor/hirotsugu-kawanaka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 33.3


Average Co-Inventor Count = 3.6

ph-index = 2

Forward Citations = 24(Granted Patents)


Location History:

  • Hitach, JP (2008)
  • Hitachi, JP (2009 - 2014)
  • Mito, JP (2014)
  • Tokyo, JP (2019)

Company Filing History:


Years Active: 2008-2019

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9 patents (USPTO):Explore Patents

Title: Innovations of Hirotsugu Kawanaka

Introduction

Hirotsugu Kawanaka is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of engineering, particularly in the development of heat-resistant materials and advanced laser processing systems. With a total of nine patents to his name, Kawanaka's work showcases his dedication to innovation and technology.

Latest Patents

Kawanaka's latest patents include a heat-resistant member provided with a heat-shielding coating and a method for manufacturing the same. This invention features a heat-resistant member that is excellent in heat-insulating, thermoresponsive, and distortion accommodating properties. The heat-shielding coating consists of a metallic portion formed from agglomerates of metal particles and inorganic compound particles. The manufacturing method involves depositing mixed particles on a base material, resistance-heating them, and diffusion-bonding the components together.

Another notable patent is a laser processing system and overlay welding method. This system includes a laser processing head, a powder supply device, and a controller. The laser processing head is designed to irradiate a workpiece with laser light while supplying powder to the laser spot. The controller manages the distribution of powder to ensure efficient processing.

Career Highlights

Throughout his career, Kawanaka has worked with esteemed companies such as Hitachi, Ltd. and The Japan Steel Works, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Kawanaka has collaborated with notable coworkers, including Takeshi Tsukamoto and Hiroyuki Doi. Their combined expertise has further advanced the development of innovative technologies in their respective fields.

Conclusion

Hirotsugu Kawanaka's contributions to engineering and technology are evident through his numerous patents and collaborations. His work continues to influence advancements in heat-resistant materials and laser processing systems.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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